Rhododendron hybridisers:

Koster M. & Sons, Boskoop, Netherlands

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=Complete=not all info yet

#Cultivars/hybrids of   Koster M. & Sons   ordered by   name   yearReg.
1A. Abels (info) (? x ?) (a.)1939y
2A.C. Kendrick (info) (? x ?) (r.)1929y
3Adelaide (info) (R. molle ssp molle x R. molle ssp japonicum) (a.)1931y
4Adriaan Koster   Click to see more information


  Adriaan Koster
(? x ?) (a.)
1901y
5Adriaan Koster   Click to see more information


  Adriaan Koster
(? x 'Mrs Lindsay Smith') (r.)
1920y
6Advance   Click to see more information


  Advance
(? x ?) (a.)
1954y
7Agatha (info) (? x ?) (a.)y
8Aileen Henderson (info) (R. griffithianum x ?) (r.)1929y
9Albrecht Dürer (info) (? x ?) (r.)1929y
10Alice de Stuers   Click to see more information


  Alice de Stuers
(R. molle ssp molle x R. molle ssp japonicum) (a.)
1910y
11Alice Street   Click to see more information


  Alice Street
('Diane' x R. wardii var wardii) (r.)
1953y
12Alma Tadema (info) (R. molle ssp molle x R. molle ssp japonicum) (a.)1896y
13America   Click to see more information


  America
('Parsons Grandiflorum' x ?) (r.)
1902y
14Beethoven   Click to see more information


  Beethoven
(? x ?) (a.)
1929y
15Betty Wormald   Click to see more information


  Betty Wormald
('George Hardy' x ?) (r.)
1907y
16Bouquet d'Orange (info) (? x ?) (a.)1876y
17Canary   Click to see more information


  Canary
(R. caucasicum x ?) (r.)
1920y
18Corry Koster   Click to see more information


  Corry Koster
(? x ?) (r.)
1909y
19Darwin (info) (? x ?) (r.)y
20Delicatissimum   Click to see more information


  Delicatissimum
(? x ?) (a.)
y
21Desdemona (info) (? x ?) (a.)y
22Diane   Click to see more information


  Diane
('Mrs Lindsay Smith' x ?) (r.)
1920y
23Earl of Donoughmore   Click to see more information


  Earl of Donoughmore
(R. griersonianum x ?) (r.)
1952y
24Edith Mackworth Pread (info) ('Doncaster' x ?) (r.)1923y
25Elisabeth (info) (selection from x R. molle ssp japonicum) (a.)1896y
26Ellen Cuthbert (info) (? x ?) (a.)y
27Emil Liebig (info) (? x ?) (a.)y
28Emilie (info) (? x ?) (a.)y
29Enchantress (info) (? x ?) (a.)y
30Enchantress (info) (? x ?) (r.)y
31Esmeralda (info) (? x ?) (r.)y
32Ethel Edgar (info) (? x ?) (r.)y
33Ethel Hall (info) (? x ?) (r.)y
34Excelsior   Click to see more information


  Excelsior
(? x ?) (a.)
1925y
35Exquisitum   Click to see more information


  Exquisitum
(? x ?) (a.)
1901y
36Favorite   Click to see more information


  Favorite
(R. molle ssp molle x R. molle ssp japonicum) (a.)
y
37Fedora   Click to see more information


  Fedora
(R. kaempferi x 'Malvaticum') (a.)
1932y
38Floralia (info) (? x ?) (a.)1931y
39Frans van der Bom   Click to see more information


  Frans van der Bom
(R. molle ssp molle x R. molle ssp japonicum) (a.)
1892y
40Generaal Vetter (info) (? x ?) (a.)y
41Glory of Boskoop (info) (? x ?) (a.)y
42Graciosum (info) (R. occidentale x ?) (a.)1901y
43Hamlet   Click to see more information


  Hamlet
(R. molle ssp japonicum x R. molle ssp molle) (a.)
1931y
44Harvest Moon   Click to see more information


  Harvest Moon
('Mrs Lindsay Smith' x R. campylocarpum ssp campylocarpum) (r.)
1920y
45Helena de Groot (info) (? x ?) (a.)y
46Hollandia   Click to see more information


  Hollandia
(R. luteum x R. molle ssp japonicum) (a.)
1896y
47Hollandia (info) (? x ?) (r.)1931y
48Hortulanus H. Witte   Click to see more information


  Hortulanus H. Witte
(R. molle ssp molle x R. molle ssp japonicum) (a.)
1892y
49Hugh Koster   Click to see more information


  Hugh Koster
('George Hardy' x ?) (r.)
1915y
50J.J. de Vink (info) (? x ?) (a.)y
51J.J. de Vink (info) (? x ?) (r.)y
52Jack Izod (info) (? x ?) (r.)1931y
53Jeanne A. Koster (info) (? x ?) (a.)1900y
54Jeanne d'Arc   Click to see more information


  Jeanne d'Arc
('Aileen Henderson' x 'Mrs L.A. Dunnett') (r.)
1939y
55King Lear (info) (? x R. molle ssp japonicum) (a.)1925y
56Koster's Brilliant Red (info) (R. molle ssp molle x R. molle ssp japonicum) (a.)1918y
57Koster's Cream   Click to see more information


  Koster's Cream
(R. campylocarpum ssp campylocarpum x ?) (r.)
1958y
58Lady Ethel Edgar (info) (? x ?) (r.)1942y
59Lady Ethel Hall (info) (? x ?) (r.)1925y
60Lady Stuart of Wortley (info) ('Coombe Royal Group' x ?) (r.)1909y
61Laertes (info) (R. molle ssp japonicum x ?) (a.)1970y
62Lafontaine (info) (? x ?) (r.)1929y
63Lamplighter   Click to see more information


  Lamplighter
('Britannia' x 'Madame Fr. J. Chauvin') (r.)
1955y
64Lessing (info) (? x ?) (r.)1929y
65Madame de Bruin (info) ('Prometheus' x 'Doncaster') (r.)1904y
66Madame Fr. J. Chauvin   Click to see more information


  Madame Fr. J. Chauvin
(R. fortunei ssp fortunei x ?) (r.)
1916y
67Marconi   Click to see more information


  Marconi
(R. molle ssp molle x R. molle ssp japonicum) (a.)
1924y
68Marinus Koster   Click to see more information


  Marinus Koster
(R. griffithianum x ?) (r.)
1937y
69Mrs Betty Robertson   Click to see more information


  Mrs Betty Robertson
('Mrs Lindsay Smith' x ?) (r.)
1920y
70Mrs Charles E Pearson   Click to see more information


  Mrs Charles E Pearson
('Coombe Royal Group' x 'Catawbiense Grandiflorum') (r.)
1909y
71Mrs G. W. Leak   Click to see more information


  Mrs G. W. Leak
('Coombe Royal Group' x 'Chevalier Felix de Sauvage') (r.)
1916y
72Mrs Helen Koster   Click to see more information


  Mrs Helen Koster
('Mrs J J Crosfield' x 'Catawbiense Grandiflorum') (r.)
1930y
73Mrs John Russell   Click to see more information


  Mrs John Russell
(? x ?) (a.)
1939y
74Mrs Lindsay Smith   Click to see more information


  Mrs Lindsay Smith
('George Hardy' x 'Duchess of Edinburgh') (r.)
1910y
75Mrs Peter Koster (info) (? x ?) (r.)1958y
76Mrs Samuel Wallrock (info) (? x ?) (r.)1931y
77Multiflorum (info) (? x ?) (a.)1931y
78Netty Koster (info) ('Mrs L.A. Dunnett' x ?) (r.)1958y
79Peter Koster   Click to see more information


  Peter Koster
('George Hardy' x 'Doncaster') (r.)
1909y
80Polar Star   Click to see more information


  Polar Star
(R. smirnowii x 'Doncaster') (r.)
1902y
81Queen Alexandra (info) (selection from x R. molle ssp japonicum) (a.)1925y
82Raoul Millais (info) (R. griffithianum x ?) (r.)1922y
83Red Star (info) ('Molière' x 'Mrs Lindsay Smith') (r.)1940y
84Richard Strauss (info) (? x ?) (r.)1958y
85Rodeo (info) (? x ?) (r.)0000y
86Rosamund Millais (info) (? x ?) (r.)y
87Sakata Pink (info) (? x ?) (a.)1931y
88Schiller (info) (? x ?) (r.)y
89Stella (info) (? x ?) (a.)y
90Sunbeam (info) ('Altaclarense' x ?) (a.)1895y
91Superbum   Click to see more information


  Superbum
(? x ?) (a.)
1901y
92Suzanne Loef   Click to see more information


  Suzanne Loef
(? x ?) (a.)
1962y
93Vincent van Gogh   Click to see more information


  Vincent van Gogh
(? x ?) (r.)
1939y
94Vondel (info) ('Mrs Lindsay Smith' x R. campylocarpum ssp campylocarpum) (r.)1958y
95W.A. Dunstan (info) (? x ?) (r.)1958y
96Willem Barendtz (info) (? x ?) (r.)y
97Willem II (info) (? x ?) (a.)y
98Yellow Prince   Click to see more information


  Yellow Prince
(R. molle ssp molle x R. molle ssp japonicum) (a.)
1939y
99Zeelandia (info) (R. fortunei ssp fortunei x ?) (r.)1928y
100Zuiderzee   Click to see more information


  Zuiderzee
('Mrs Lindsay Smith' x R. campylocarpum ssp campylocarpum) (r.)
1936y
101Zuiderzee Group (info) ('Mrs Lindsay Smith' x ?) (r.)1936y


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Hirsutum.info     Project started 03 June 2009